@media screen and (max-width: 750px) {
  html {
    font-size: 13.33333333vw;
  }
  .nav {
    background: #fff;
  }
  img {
    display: block;
    width: 100%;
  }
  /**********************banner**********************/
  .banner .banner-top {
    width: 100%;
    height: 4.6rem;
  }
  .banner .banner-box {
    display: flex;
  }
  .banner .banner-box .banner-left,
  .banner .banner-box .banner-right {
    flex: 1;
    height: 2.8rem;
  }
  .activity {
    background: #000000;
    padding: 0.8rem 0.3rem;
  }
  /**********************关于太阳诱电**********************/
  .section-about {
    padding: 1rem 0 0 0;
    background: #000000;
  }
  .section-about__title {
    display: inline-block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.4rem;
    font-weight: 700;
    text-align: center;
    line-height: 0.5rem;
    padding: 0 0.2rem 0.23rem;
  }
  .section-about::before,
  .section-about::after {
    background: transparent;
  }
  .section-about--bg {
    display: none;
  }
  .section-about .inner {
    display: block;
    padding-top: 0.6rem;
  }
  .section-about .inner .col-left {
    padding: 0.4rem 0.3rem;
    background: linear-gradient(-90deg, #142565 0%, rgba(20, 37, 101, 0) 100%);
  }
  .section-about .inner .col-left .more-btn {
    float: inherit;
    margin: 0.4rem 0 0.6rem;
    width: 2.15rem;
    height: 0.6rem;
    line-height: 0.6rem;
  }
  .section-about .inner .col-right {
    background: url('../images/m/video_bg.png') no-repeat;
    background-size: 100% 100%;
    height: 5.65rem;
    overflow: hidden;
  }
  .section-about .inner .col-right .index1_bg2_video {
    margin-top: 0.6rem;
    width: 6.3rem;
    height: 3.54rem;
  }
  .section-about .inner .col-right h3 {
    font-size: 0.28rem;
  }
  /**********************产品介绍**********************/
  .section-product {
    padding: 1rem 0.3rem 0.8rem;
  }
  .section-product .wrap {
    display: block;
  }
  .section-product__title {
    display: inline-block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.4rem;
    font-weight: 700;
    text-align: center;
    line-height: 0.5rem;
    margin: 0 auto;
    padding: 0 0.2rem 0.23rem;
  }
  .section-product__lists {
    margin-top: 1rem;
  }
  .section-product__item {
    padding: 0.28rem 0.2rem 0.2rem 0.2rem;
    width: calc(50% - 0.1rem);
    margin: 0 0.1rem 0.62rem 0 !important;
    min-height: 5.56rem;
    height: 5.56rem;
    margin-right: 0;
  }
  .section-product__item img {
    position: absolute;
    top: -0.42rem;
    width: 0.96rem;
    height: 0.96rem;
    margin-top: 0;
  }
  .section-product__item h3 {
    width: 2rem;
    text-align: right;
    font-size: 0.28rem;
    margin-top: 0;
  }
  .section-product__item p {
    font-size: 0.24rem;
  }
  .section-product__item a {
    width: 0.48rem;
    height: 0.48rem;
    right: 0.2rem;
    bottom: 0.2rem;
  }
  .section-product__item:nth-child(1),
  .section-product__item:nth-child(2) {
    height: 6.5rem;
  }
  .section-product__item:nth-child(3) {
    margin: 0 0.1rem 0.6rem 0;
  }
  /**********************解决方案**********************/
  .section-solutions {
    padding: 1rem 0.3rem;
  }
  .section-solutions .wrap {
    justify-content: flex-start;
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .section-solutions .inner {
    justify-content: flex-start;
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .section-solutions__title {
    font-size: 0.4rem;
    font-weight: 700;
    margin: 0 auto 0.65rem;
    text-align: center;
    line-height: 0.5rem;
    padding: 0 0.2rem 0.23rem;
  }
  .section-solutions__item {
    flex: none;
    padding: 0.1rem 0.1rem 0.1rem 0.1rem;
    width: calc(50% - 0.2rem);
    margin-right: 0;
  }
  /**********************新闻**********************/
  .section-news {
    width: 100%;
    padding: 0.9rem 0;
  }
  .section-news .inner {
    margin-top: 0.6rem;
    padding: 0 0.3rem;
    display: block;
  }
  .section-news__title {
    font-size: 0.4rem;
    font-weight: 700;
    text-align: center;
    line-height: 0.5rem;
    margin: 0 auto;
    padding: 0 0.2rem 0.23rem;
  }
  .section-news__item {
    display: block;
    margin: 0.1rem 0;
    clip-path: inherit;
    width: 100%;
    padding: 0.3rem;
  }
  .section-news__item .date {
    font-size: 0.24rem;
    margin-bottom: 0.2rem;
  }
  .section-about .col-left{
    display: block;
    margin-top: .6rem;
    margin-bottom: 1.6rem;
    padding:0;
    padding-right: 0.3rem;
    font-size: 0.28rem;
    line-height: 0.38rem;
    background: none;
  }
  .section-about .col-left .section-about__text{
    padding:0.4rem 0.32rem 0.72rem ;
    background: linear-gradient(-90deg,#142565 0%, rgba(20,37,101,0.00) 100%);
  }
  .section-about .col-left::after{
    display: none;
  }
  .section-about .more-btn{
    float: right;
    margin-left: 0;
    margin-top: 0.4rem;
    width: 2.16rem;
    height: 0.6rem;
    line-height: 0.6rem;
  }
  .section-about .col-right{
    position: relative;
    display: block;
    padding: 0.6rem 0.6rem 1rem;
  }
  .section-about .col-right>div{
    width: 100%;
  }
  .section-about .col-right .index1_bg2_video{
    height: 3.54rem;
  }
  .section-about .col-right::after{
    content: "";
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    background: url(../images/m/yun.png) left top no-repeat;
    background-size: 100%;
    z-index: -1;
  }
  .section-about .col-right h3{
    font-size: 0.28rem;
    margin-top: 0.2rem;
    margin-bottom: 0.58rem;
  }
  .section-about .col-right  .index1_bg2_video2  +h3{
    margin-bottom: 0px;
  }
  .video_new::before{
    width: 0.94rem;
    height: 1rem;
    top:-0.08rem ;
    left: -0.08rem;
  }
}